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ALAS Appliance Service

Commercial Walk-In Freezer Repair in Dallas, TX

Walk-in freezer icing up, frosting at the door or running warm? ALAS Appliance Repair diagnoses and repairs walk-in freezers for restaurants, hotels, senior living communities and other businesses across Dallas, with after-hours emergency service available.

  • Serving all of Dallas
  • Written quote before work begins
  • After-hours emergency service
  • 12-month sealed-system warranty

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Walk-in cooler evaporator being serviced by ALAS

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Walk-In Freezer Repair Needs in Dallas Restaurants and Kitchens

Knox-Henderson runs from Knox Street on the west to Henderson Avenue on the east and holds many of the city’s popular restaurants and cocktail bars. Lower Greenville, near the M Streets, was known mainly for bars until a March 2010 fire, after which restaurants replaced many of them. Kitchens in both areas often operate in older buildings adapted for food service, where a walk-in freezer may be squeezed into a back room and the condensing unit placed wherever space allowed.

Freezers are less forgiving than coolers. A door that stays ajar, a failed door heater or a torn gasket lets warm, humid air in, and ice builds on the frame, the floor and the evaporator coil. That ice blocks airflow, drives temperatures up and can trap the door. Defrost timers, heaters and drain line heaters are frequent failure points. If the freezer is warming or icing over, keep it closed, move product if possible and call for service rather than chipping ice from the coil.

Common walk-in freezer problems

What’s Wrong With Your Walk-In Freezer?

The walk-in freezer problems we see most often, and the parts a technician checks first for each one.

SymptomCommon causes a technician checksGuide
Freezer not holding 0°F or running warmIced evaporator coil, failed defrost heater or termination control, failed evaporator fan or fan delay, dirty condenser coil, low refrigerant, failing low-temperature compressor
Check a thermometer inside the box, not only the display, and make sure product isn’t stacked against the evaporator.

Possible causes a technician checks: Iced evaporator coil, failed defrost heater or termination control, failed evaporator fan or fan delay, dirty condenser coil, low refrigerant, failing low-temperature compressor

Schedule a diagnosis
Heavy ice on the evaporator coilFailed defrost heater, timer or termination thermostat, failed fan delay switch, leaking door gasket, low refrigerant charge
Don’t chip ice off the coil. Note the box temperature and whether the coil ever clears after a defrost.

Possible causes a technician checks: Failed defrost heater, timer or termination thermostat, failed fan delay switch, leaking door gasket, low refrigerant charge

Schedule a diagnosis
Ice on the ceiling, walls or around the doorWorn door gaskets, door not closing fully, failed door or frame heater, iced pressure relief port, gaps at panel joints, missing strip curtain
Look for a frost line around the door opening. It usually shows exactly where warm air is getting in.

Possible causes a technician checks: Worn door gaskets, door not closing fully, failed door or frame heater, iced pressure relief port, gaps at panel joints, missing strip curtain

Schedule a diagnosis
Door frozen shut or hard to openFailed door frame heater, frozen gasket, failed or iced pressure relief port creating a vacuum after the door closes
Don’t pry the door. Wait a minute after closing it and try again; if it frees up, the relief port is the likely cause.

Possible causes a technician checks: Failed door frame heater, frozen gasket, failed or iced pressure relief port creating a vacuum after the door closes

Schedule a diagnosis
See every walk-in freezer symptom and cause

The complete walk-in freezer repair guide

Our main walk-in freezer repair page explains common problems, repair-or-replace decisions and how a repair visit works, in more detail.

Urgent repair

Walk-In Freezer Warming Up?

Frozen product holds its temperature for a while if the door stays shut, so act calmly and quickly. USDA guidance notes food kept at 0°F stays safe, and food that still has ice crystals can usually be refrozen. After-hours and emergency service is available at an additional charge in Dallas.

Dallas Walk-In Freezer Repair FAQs

Yes. ALAS repairs walk-in freezers for Dallas restaurants, cafes, senior living communities and other businesses, including Preston Hollow, Old Preston Hollow, Bluffview, Devonshire, Prestonwood, Bent Tree, Lakewood, the M Streets, Forest Hills and Turtle Creek.

We serve North Dallas and nearby Dallas neighborhoods in ZIP codes 75225, 75230, 75229, 75209, 75248, 75214, 75218, 75206 and 75219, and the Preston Hollow part of 75220. Enter your ZIP code on this page to confirm service at your address.

A failed door frame heater, a torn gasket or a door closer that lets the door hang slightly open can all cause ice to form around the frame. Humid Dallas summers make it worse. Do not force the door with tools. A technician can test the heater circuit and check the gasket and hardware.

Yes. Older buildings on Lower Greenville often have tight layouts, shared walls and condensing units in unusual spots. Tell us where the condensing unit is and how to reach it, and which hours the line is slammed, so we can schedule around your rush. Photos of the unit’s data plate help too.

It is a sign something is wrong. Common causes include a dirty condenser coil, an iced evaporator, a failing fan motor or a defrost problem. Keep the door closed and watch the temperature. If it keeps rising, move high-value product and call for service before the box warms further.

Dallas service area © OpenStreetMap (opens in a new tab)City pageBranch

Where we work in Dallas

Dallas Neighborhoods We Serve

ALAS provides walk-in freezer repair across Dallas, including Preston Hollow, Old Preston Hollow, Bluffview, Devonshire, Prestonwood, Bent Tree, Lakewood, the M Streets, Forest Hills and Turtle Creek, covering North Dallas and nearby ZIP codes 75225, 75230, 75229, 75209, 75248, 75214, 75218, 75206 and 75219, plus the Preston Hollow part of 75220. Check your ZIP code to confirm service at your address.